Fastening device



1.-5. Fastening device

6.-7. Fastening device (part of -)

1.1 is a front, left and top perspective view of a fastening device embodying my new design;

1.2 is a rear, right and top perspective view thereof;

1.3 is a left side view thereof;

1.4 is a front view thereof;

1.5 is a right side view thereof;

1.6 is a rear view thereof; and

1.7 is a top view thereof.

The broken lines depict portions of the fastening device that form no part of the claimed design. 

CLAIM The ornamental design for a fastening device, as shown and described. 